New design plug and play module installs easily to the PWM-controller coolant fan found on the C6 Corvette (Including Z06 & ZR1) The factory coolant fan is powerful and incorporates a solid-state controller instead of relays (as in previous years andmodels). This module interfaces with the factory controller and permits manual coolant fan control. This module simply plugs into the fan connector and includes a round rocker switch that matches similar design control switches found in the console. Using this switch allows the vehicle operator to manually override the ECU control of the coolant fan, to force-cool the engine, even when the car is unattended and not running. Ideal for off-road racing and competition use. Control switch requires a 20mm mounting hole. Three switch position: *Low - Half speed fan control *Normal (ECU Control) *High - Maximum coolant fan speed This gives the driver complete control of engine cooling. Switch can override fan control unattended, even w |